Business Calculators
Cash Flow Calculator
Project monthly cash movements and see how long the current balance lasts at your present burn rate.
Net monthly cash flow
-$12,000.00
- Runway
- 60 months
- Cash-flow positive in
- 7 months
- Lowest projected balance
- $137,041
Yr 3Yr 6Yr 9Yr 12Yr 15Yr 18Yr 21Yr 24Yr 27Yr 30Yr 33Yr 36Yr 39Yr 42Yr 45Yr 48Yr 51Yr 54Yr 57Yr 60
How this calculator works
Each month: cash = cash + revenue − costs, with revenue growing at the stated rate
- runway
- months before the balance reaches zero
Important considerations
- Late-paying customers turn a profitable business into a cash-poor one.
- Tax and payroll dates create predictable troughs worth modelling.
Related calculators
- Break-Even CalculatorUnits and revenue needed to break even.
- Business Loan Payment CalculatorBusiness borrowing repayments and total cost.
- Profit Margin CalculatorGross, operating and net margin from your numbers.
- Employee Cost CalculatorThe fully loaded annual cost of a hire.
- Business Loan CalculatorRepayments and total cost on a business term loan.
- Markup CalculatorSelling price from cost and target markup.
Learn more
Terms used here
Frequently asked questions
Why can a profitable business run out of cash?
Profit is recognised when invoiced; cash arrives when paid. The gap is where businesses fail.
Disclaimer
Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.
Last reviewed 2026-08-01